<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域  -->

      <el-row :gutter="20">
        <el-col :span="7">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" >
            <!-- 作用域插槽 -->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button> 

            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
            <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
          </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%" @close="addDialogClosed">
  <!-- 内容主体区域 -->
  <el-form :model="addFrom" :rules="addFromRules" ref="addFromRef" label-width="70px" >
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addFrom.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input v-model="addFrom.password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addFrom.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="addFrom.mobile"></el-input>
  </el-form-item>
  </el-form>
   <!-- 底部区域 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>

<!-- 修改用户的对话框 -->
<el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%" @close="editDialogClosed"> 

  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email" ></el-input>
  </el-form-item>
  <el-form-item label="手机号" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>

  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule,value,cb) =>{
     //验证邮箱的正则表达式
     const regEmail =  /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
     if(regEmail.test(value)){
      //合法的邮箱
      return cb()
    }
    cb(new Error('请输入合法的邮箱'))
    }


    //验证手机号的规则
    var checkMobile = (rule,value,cb) =>{
    //验证手机号的正则表达式
    const regMobile =  /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
    if(regMobile.test(value)){
      //合法的手机号  
      return cb()
    }
    cb(new Error('请输入合法的手机号'))
    }

    return {
      //获取用户列表的参数对象
      queryInfo: {
        query: '',
        //当前的页数
        pagenum: 1,
        //当前每页显示多少数据
        pagesize: 10
      },
      userlist: [],
      total: 0,
      //控制添加用户对话框的显示与隐藏
      addDialogVisible:false,
      //添加用户的表单数据
      addFrom:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
      //添加表单的验证规则对象
      addFromRules:{
        username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ],
          email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            {validator:checkEmail, trigger:'blur'}
          ],
          mobile: [
            { required: true, message: '请输入手机号码', trigger: 'blur' },
            {validator:checkMobile, trigger:'blur'}
          ],
      },
      //控制修改用户对话框的显示与隐藏
      editDialogVisible:false,
      //查询到的用户信息对象
      editForm:{},
      //修改表单的验证规则对象
      editFormRules:{
        email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            {validator:checkEmail, trigger:'blur'}
          ],
          mobile: [
            { required: true, message: '请输入手机号码', trigger: 'blur' },
            {validator:checkMobile, trigger:'blur'}
          ]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize){
        console.log(newSize);
        this.queryInfo.pagesize = newSize
        this.getUserList()
    },
    //监听 页码值 改变的事件
    handleCurrentChange(newPage){
    console.log(newPage);
    this.queryInfo.pagenum = newPage
    this.getUserList()

    },
    //监听switch开关状态的改变
    async userStateChange(userinfo){
      console.log(userinfo);
      const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      console.log(res);
      if(res.meta.status !== 200){  userinfo.mg_state =! userinfo.mg_state
        return this.$message.error('更新用户状态失败')}
        this.$message.success('更新用户状态成功！')
    },
    //监听添加用户对话框的关闭事件关闭后重置表单
    addDialogClosed(){
    this.$refs.addFromRef.resetFields()
    },
    //点击按钮，预校验 添加新用户
    addUser(){
      this.$refs.addFromRef.validate(async valid =>{
      console.log(valid);
      if(!valid) return
      //可以发起添加用户的网络请求
      const {data:res} = await this.$http.post('users',this.addFrom)
      if(res.meta.status !== 201){
      this.$message.error('添加用户失败！')
      }
      this.$message.success('添加用户成功')
      //隐藏添加用户的对话框
      this.addDialogVisible = false
      //重新获取用户列表数据
      this.getUserList()
      })
    },
    //展示编辑用户的对话框
    async showEditDialog(id){
      console.log(id);
      const {data:res} = await this.$http.get('users/'+id)
      if(res.meta.status !== 200){
        return this.$message.error('查询用户信息失败！')
      }
      this.editForm = res.data
      console.log(res);
    this.editDialogVisible = true
    },
    //监听修改用户对话框的关闭事件
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    //修改用户信息并提交
    editUserInfo(){
      //先对整个表单预验证
    this.$refs.editFormRef.validate(async valid =>{
      console.log(valid);
      if(!valid) return
      //可以发起修改用户信息的网络请求
      const {data:res} = await this.$http.put ('users/' + this.editForm.id,{
      email:this.editForm.email,
      mobile:this.editForm.mobile
      })
      if(res.meta.status !== 200){
      this.$message.error('添加用户失败！')
      }
      //关闭对话框
      this.editDialogVisible = false
      //刷新数据列表
      this.getUserList()
      //提示修改成功
      this.$message.success('修改用户信息成功')
    })
    },
    //根据id删除对应的用户信息
    async removeUserById(id){
    // console.log(id);
    //弹框询问用户是否删除数据
    const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        //如果用户确认删除，则返回值为字符串confirm
        //如果用户取消删除，则返回值为字符串cancel
        console.log(confirmResult);
        if(confirmResult !== 'confirm'){
        return this.$message.info('已取消删除')
        }
        const {data:res} = await this.$http.delete('users/' + id )
        if(res.meta.status !== 200){
        return this.$message.error('删除用户失败!')
        }
        this.$message.success('删除用户成功')
        this.getUserList()
        
    }
  }

}
</script>

<style></style>